and a new warning that puts the united states between a rock and a hard place. let's go "outfront." >>> good evening, everyone, i'm erin burnet. "outfront tonight," we're told that an official has been killed in benghazi. this after a day of violence at the diplomatic post. armed men set the american consulate on fire after a protest against an american-produced movie they say insultses the prophet muhammad. this hours after egyptian protesters scaled the walls at the embassy in cairo ander to tore down the american flag. cnn's jomanakurachi joins me on the phone. and i want to start with jomana. what is the latest you heard from on the ground in benghazi? >> reporter: well, we're hearing very little from the u.s. embassy, but according to eyewitnesss, there is reports of libyan casualties as a result of these clashes. as a militant group tried to store the u.s. embassy. they succeeded and did storm the u.s. embassy. according to eyewitnesss, libyan security forces were engaged in heavy clashes with this armed group. a radical militant group based in eastern lib